<PRE><B>Question 1153230</B>
Water is taken from a well 11 m deep in a bucket, the rope winding on to a drum 35 cm in diameter.
a. Through what angle does the handle turn in winding up 1 metre of rope?
Find the circumference C of the drum.
1 turn (360 degs) moves the bucket that distance.
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b. How many revolution of the handle does it take to bring the bucket up from the bottom?
Divide 11 meters by C.
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c. If the arm of the handle is 42 cm long, how far does the handle of the winder travel when bringing the bucket up from the bottom?
The # of turns in (b) times the circumference with r = 42 cm.
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Q2 A circular wire clip of radius 7 mm is with a gap of 7 mm between the ends. Calculate the total length of wire in the clip to the nearest mm, given that about 4 mm are used altogether in making the turnovers at the ends 
Not clear.</PRE>